<template>
  <el-aside width="200px">
    <el-scrollbar>
      <el-menu :default-openeds="['1', '3']">
        <el-sub-menu index="1">
          <template #title>
            <el-icon><Message/></el-icon>Navigator One
          </template>
          <el-menu-item-group>
            <template #title>Group 1</template>
            <el-menu-item index="1-1">
              <router-link to="/optionOne">Option 1</router-link>  
            </el-menu-item>
            <el-menu-item index="1-2">
              <router-link to="/optionTwo">Option 2</router-link>  
            </el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="Group 2">
            <el-menu-item index="1-3">
              <router-link to="/optionThree">Option 3</router-link>  
            </el-menu-item>
          </el-menu-item-group>
          <el-sub-menu index="1-4">
            <template #title>Option4</template>
            <el-menu-item index="1-4-1">
              <router-link to="/optionFour">Option 4-1</router-link>
            </el-menu-item>
          </el-sub-menu>
        </el-sub-menu>
        <el-sub-menu index="2">
          <template #title>
            <el-icon><Menu/></el-icon>Navigator Two
          </template>
          <el-menu-item-group>
            <template #title>Group 1</template>
            <el-menu-item index="2-1">Option 1</el-menu-item>
            <el-menu-item index="2-2">Option 2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="Group 2">
            <el-menu-item index="2-3">Option 3</el-menu-item>
          </el-menu-item-group>
          <el-sub-menu index="2-4">
            <template #title>Option 4</template>
            <el-menu-item index="2-4-1">Option 4-1</el-menu-item>
          </el-sub-menu>
        </el-sub-menu>
        <el-sub-menu index="3">
          <template #title>
            <el-icon><Setting/></el-icon>Navigator Three
          </template>
          <el-menu-item-group>
            <template #title>Group 1</template>
            <el-menu-item index="3-1">Option 1</el-menu-item>
            <el-menu-item index="3-2">Option 2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="Group 2">
            <el-menu-item index="3-3">Option 3</el-menu-item>
          </el-menu-item-group>
          <el-sub-menu index="3-4">
            <template #title>Option 4</template>
            <el-menu-item index="3-4-1">Option 4-1</el-menu-item>
          </el-sub-menu>
        </el-sub-menu>
      </el-menu>
    </el-scrollbar>
  </el-aside>
</template>

<script>
export default {
  name: 'BarComponent'
}
</script>

<style>
.layout-container-demo .el-aside {
  color: var(--el-text-color-primary);
  background: var(--el-color-primary-light-8);
}
.layout-container-demo .el-menu {
  border-right: none;
}
</style>
